Respuesta :
Answer:
1.5 hours
Step-by-step explanation:
The ratio is 8:1, 8 being presents, one being hours. Half of 8 is 4, and eight +4 is 12, so it needs to be an hour and a half.
Answer:
90min
Step-by-step explanation:
60min/8 = 7.5m per present
7.5 x 12 = . 90min or 1.5 hours